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<FONT color="green">001</FONT>    package edu.hawaii.myisern.model;<a name="line.1"></a>
<FONT color="green">002</FONT>    import java.io.BufferedWriter;<a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.FileWriter;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.io.IOException;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.ArrayList;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.Iterator;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.util.List;<a name="line.7"></a>
<FONT color="green">008</FONT>    import edu.hawaii.myisern.collaborations.jaxb.Collaboration;<a name="line.8"></a>
<FONT color="green">009</FONT>    import edu.hawaii.myisern.organizations.jaxb.Organization;<a name="line.9"></a>
<FONT color="green">010</FONT>    <a name="line.10"></a>
<FONT color="green">011</FONT>    /**<a name="line.11"></a>
<FONT color="green">012</FONT>     * Implements a singleton of two ArrayList instances (one for the header, one for the data).<a name="line.12"></a>
<FONT color="green">013</FONT>     * The command classes manipulate these singletons in response to user input.<a name="line.13"></a>
<FONT color="green">014</FONT>     * The MyIsernModel manipulates string objects only.<a name="line.14"></a>
<FONT color="green">015</FONT>     * To prevent multi-threaded access from corrupting the stack, all operations on the<a name="line.15"></a>
<FONT color="green">016</FONT>     * singleton MyIsernModel instance are synchronized.<a name="line.16"></a>
<FONT color="green">017</FONT>     *<a name="line.17"></a>
<FONT color="green">018</FONT>     * @author Jitender Miglani<a name="line.18"></a>
<FONT color="green">019</FONT>     * @author Philip Johnson<a name="line.19"></a>
<FONT color="green">020</FONT>     * @author Ben Karsin<a name="line.20"></a>
<FONT color="green">021</FONT>     */<a name="line.21"></a>
<FONT color="green">022</FONT>    public class MyIsernModel {<a name="line.22"></a>
<FONT color="green">023</FONT>      static final String baseFolder = System.getProperty("user.home") + "/.myisern/";<a name="line.23"></a>
<FONT color="green">024</FONT>    //  static final String baseFolder = "/.myisern/";<a name="line.24"></a>
<FONT color="green">025</FONT>      <a name="line.25"></a>
<FONT color="green">026</FONT>      /** The singleton MyIsernModel instance. */<a name="line.26"></a>
<FONT color="green">027</FONT>      private static MyIsernModel theInstance = new MyIsernModel();<a name="line.27"></a>
<FONT color="green">028</FONT>    <a name="line.28"></a>
<FONT color="green">029</FONT>      /** The internal ArrayList implementations. */<a name="line.29"></a>
<FONT color="green">030</FONT>      private List&lt;String&gt; header;<a name="line.30"></a>
<FONT color="green">031</FONT>      private List&lt;List&lt;String&gt;&gt; data;<a name="line.31"></a>
<FONT color="green">032</FONT>    <a name="line.32"></a>
<FONT color="green">033</FONT>      private ResearcherData researcherData;<a name="line.33"></a>
<FONT color="green">034</FONT>      private CollaborationData collaborationData;<a name="line.34"></a>
<FONT color="green">035</FONT>      private OrganizationData organizationData;<a name="line.35"></a>
<FONT color="green">036</FONT>    <a name="line.36"></a>
<FONT color="green">037</FONT>      private XmlSemanticChecker xmlChecker;<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>      /** Private constructor used to create a single instance of stack. */<a name="line.39"></a>
<FONT color="green">040</FONT>      private MyIsernModel() {<a name="line.40"></a>
<FONT color="green">041</FONT>        researcherData = new ResearcherData();<a name="line.41"></a>
<FONT color="green">042</FONT>        researcherData.loadData(baseFolder);<a name="line.42"></a>
<FONT color="green">043</FONT>    <a name="line.43"></a>
<FONT color="green">044</FONT>        collaborationData = new CollaborationData();<a name="line.44"></a>
<FONT color="green">045</FONT>        collaborationData.loadData(baseFolder);<a name="line.45"></a>
<FONT color="green">046</FONT>    <a name="line.46"></a>
<FONT color="green">047</FONT>        organizationData = new OrganizationData();<a name="line.47"></a>
<FONT color="green">048</FONT>        organizationData.loadData(baseFolder);<a name="line.48"></a>
<FONT color="green">049</FONT>    <a name="line.49"></a>
<FONT color="green">050</FONT>        this.header = organizationData.getHeader();<a name="line.50"></a>
<FONT color="green">051</FONT>        this.data = organizationData.getData();<a name="line.51"></a>
<FONT color="green">052</FONT>    <a name="line.52"></a>
<FONT color="green">053</FONT>        xmlChecker = new XmlSemanticChecker();<a name="line.53"></a>
<FONT color="green">054</FONT>        xmlChecker.setCollaborationList(collaborationData.getCollaborations().getCollaboration());<a name="line.54"></a>
<FONT color="green">055</FONT>        xmlChecker.setOrganizationList(organizationData.getOrganizations().getOrganization());<a name="line.55"></a>
<FONT color="green">056</FONT>        xmlChecker.setResearcherList(researcherData.getResearchers().getResearcher());<a name="line.56"></a>
<FONT color="green">057</FONT>      }<a name="line.57"></a>
<FONT color="green">058</FONT>    <a name="line.58"></a>
<FONT color="green">059</FONT>      /**<a name="line.59"></a>
<FONT color="green">060</FONT>       * Checks for semantic errors in the XML data.<a name="line.60"></a>
<FONT color="green">061</FONT>       * <a name="line.61"></a>
<FONT color="green">062</FONT>       * @return List of errors.<a name="line.62"></a>
<FONT color="green">063</FONT>       */<a name="line.63"></a>
<FONT color="green">064</FONT>      public synchronized List&lt;String&gt; getSemanticErrors() {<a name="line.64"></a>
<FONT color="green">065</FONT>        List&lt;String&gt; result;<a name="line.65"></a>
<FONT color="green">066</FONT>        xmlChecker.checkAll();<a name="line.66"></a>
<FONT color="green">067</FONT>    <a name="line.67"></a>
<FONT color="green">068</FONT>        result = xmlChecker.getErrorList();<a name="line.68"></a>
<FONT color="green">069</FONT>        return result;<a name="line.69"></a>
<FONT color="green">070</FONT>      }<a name="line.70"></a>
<FONT color="green">071</FONT>    <a name="line.71"></a>
<FONT color="green">072</FONT>      /**<a name="line.72"></a>
<FONT color="green">073</FONT>       * Retrieves the Researcher data.<a name="line.73"></a>
<FONT color="green">074</FONT>       * <a name="line.74"></a>
<FONT color="green">075</FONT>       * @return Researcher data object.<a name="line.75"></a>
<FONT color="green">076</FONT>       */<a name="line.76"></a>
<FONT color="green">077</FONT>      public static synchronized ResearcherData getResearcherData() {<a name="line.77"></a>
<FONT color="green">078</FONT>        return theInstance.researcherData;<a name="line.78"></a>
<FONT color="green">079</FONT>      }<a name="line.79"></a>
<FONT color="green">080</FONT>    <a name="line.80"></a>
<FONT color="green">081</FONT>      /**<a name="line.81"></a>
<FONT color="green">082</FONT>       * Retrieves the Collaboration data.<a name="line.82"></a>
<FONT color="green">083</FONT>       * <a name="line.83"></a>
<FONT color="green">084</FONT>       * @return Collaboration data object.<a name="line.84"></a>
<FONT color="green">085</FONT>       */<a name="line.85"></a>
<FONT color="green">086</FONT>      public static synchronized CollaborationData getCollaborationData() {<a name="line.86"></a>
<FONT color="green">087</FONT>        return theInstance.collaborationData;<a name="line.87"></a>
<FONT color="green">088</FONT>      }<a name="line.88"></a>
<FONT color="green">089</FONT>    <a name="line.89"></a>
<FONT color="green">090</FONT>      /**<a name="line.90"></a>
<FONT color="green">091</FONT>       * Retrieves the Organization data.<a name="line.91"></a>
<FONT color="green">092</FONT>       * <a name="line.92"></a>
<FONT color="green">093</FONT>       * @return Organization data object.<a name="line.93"></a>
<FONT color="green">094</FONT>       */<a name="line.94"></a>
<FONT color="green">095</FONT>      public static synchronized OrganizationData getOrganizationData() {<a name="line.95"></a>
<FONT color="green">096</FONT>        return theInstance.organizationData;<a name="line.96"></a>
<FONT color="green">097</FONT>      }<a name="line.97"></a>
<FONT color="green">098</FONT>    <a name="line.98"></a>
<FONT color="green">099</FONT>      /**<a name="line.99"></a>
<FONT color="green">100</FONT>       * Retrieves the folder where data is being read from.<a name="line.100"></a>
<FONT color="green">101</FONT>       * <a name="line.101"></a>
<FONT color="green">102</FONT>       * @return Folder name.<a name="line.102"></a>
<FONT color="green">103</FONT>       */<a name="line.103"></a>
<FONT color="green">104</FONT>      public static synchronized String getBaseFolder() {<a name="line.104"></a>
<FONT color="green">105</FONT>        return baseFolder;<a name="line.105"></a>
<FONT color="green">106</FONT>      }<a name="line.106"></a>
<FONT color="green">107</FONT>    <a name="line.107"></a>
<FONT color="green">108</FONT>    <a name="line.108"></a>
<FONT color="green">109</FONT>      /**<a name="line.109"></a>
<FONT color="green">110</FONT>       * Get the single instance of MyIsernModel object.<a name="line.110"></a>
<FONT color="green">111</FONT>       *<a name="line.111"></a>
<FONT color="green">112</FONT>       * @return A MyIsernModel.<a name="line.112"></a>
<FONT color="green">113</FONT>       */<a name="line.113"></a>
<FONT color="green">114</FONT>      public static synchronized MyIsernModel getInstance() {<a name="line.114"></a>
<FONT color="green">115</FONT>        return MyIsernModel.theInstance;<a name="line.115"></a>
<FONT color="green">116</FONT>      }<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>    <a name="line.118"></a>
<FONT color="green">119</FONT>      /**<a name="line.119"></a>
<FONT color="green">120</FONT>       * Adds an element to the header list.<a name="line.120"></a>
<FONT color="green">121</FONT>       *<a name="line.121"></a>
<FONT color="green">122</FONT>       * @param element the element to be added to the header list.<a name="line.122"></a>
<FONT color="green">123</FONT>       */<a name="line.123"></a>
<FONT color="green">124</FONT>      public synchronized void addHeader(String element) {<a name="line.124"></a>
<FONT color="green">125</FONT>        header.add(element);<a name="line.125"></a>
<FONT color="green">126</FONT>      }<a name="line.126"></a>
<FONT color="green">127</FONT>    <a name="line.127"></a>
<FONT color="green">128</FONT>      /**<a name="line.128"></a>
<FONT color="green">129</FONT>       * Adds a list (row) to the data list.<a name="line.129"></a>
<FONT color="green">130</FONT>       *<a name="line.130"></a>
<FONT color="green">131</FONT>       * @param newRow the ArrayList to be added to the data list.<a name="line.131"></a>
<FONT color="green">132</FONT>       */<a name="line.132"></a>
<FONT color="green">133</FONT>      public synchronized void addData(List&lt;String&gt; newRow) {<a name="line.133"></a>
<FONT color="green">134</FONT>        data.add(newRow);<a name="line.134"></a>
<FONT color="green">135</FONT>      }<a name="line.135"></a>
<FONT color="green">136</FONT>    <a name="line.136"></a>
<FONT color="green">137</FONT>      /**<a name="line.137"></a>
<FONT color="green">138</FONT>       * Returns true if the data list contains no elements. <a name="line.138"></a>
<FONT color="green">139</FONT>       * <a name="line.139"></a>
<FONT color="green">140</FONT>       * @return True if empty.<a name="line.140"></a>
<FONT color="green">141</FONT>       */<a name="line.141"></a>
<FONT color="green">142</FONT>      public synchronized boolean isEmpty() {<a name="line.142"></a>
<FONT color="green">143</FONT>        return data.isEmpty();<a name="line.143"></a>
<FONT color="green">144</FONT>      }<a name="line.144"></a>
<FONT color="green">145</FONT>    <a name="line.145"></a>
<FONT color="green">146</FONT>      /**<a name="line.146"></a>
<FONT color="green">147</FONT>       * Gets the iterator attribute of the header list.<a name="line.147"></a>
<FONT color="green">148</FONT>       *<a name="line.148"></a>
<FONT color="green">149</FONT>       * @return The iterator value.<a name="line.149"></a>
<FONT color="green">150</FONT>       */<a name="line.150"></a>
<FONT color="green">151</FONT>      public synchronized Iterator&lt;String&gt; headerIterator() {<a name="line.151"></a>
<FONT color="green">152</FONT>        return this.header.iterator();<a name="line.152"></a>
<FONT color="green">153</FONT>      }<a name="line.153"></a>
<FONT color="green">154</FONT>    <a name="line.154"></a>
<FONT color="green">155</FONT>      /**<a name="line.155"></a>
<FONT color="green">156</FONT>       * Gets the iterator attribute of the data list.<a name="line.156"></a>
<FONT color="green">157</FONT>       *<a name="line.157"></a>
<FONT color="green">158</FONT>       * @return The iterator value.<a name="line.158"></a>
<FONT color="green">159</FONT>       */<a name="line.159"></a>
<FONT color="green">160</FONT>      public synchronized Iterator&lt;List&lt;String&gt;&gt; dataIterator() {<a name="line.160"></a>
<FONT color="green">161</FONT>        return this.data.iterator();<a name="line.161"></a>
<FONT color="green">162</FONT>      }<a name="line.162"></a>
<FONT color="green">163</FONT>    <a name="line.163"></a>
<FONT color="green">164</FONT>      /**<a name="line.164"></a>
<FONT color="green">165</FONT>       * Saves all the data to their respective XML files.<a name="line.165"></a>
<FONT color="green">166</FONT>       * @throws IOException <a name="line.166"></a>
<FONT color="green">167</FONT>       */<a name="line.167"></a>
<FONT color="green">168</FONT>      public synchronized void saveData() {<a name="line.168"></a>
<FONT color="green">169</FONT>        this.researcherData.saveData(baseFolder); <a name="line.169"></a>
<FONT color="green">170</FONT>        this.collaborationData.saveData(baseFolder);<a name="line.170"></a>
<FONT color="green">171</FONT>        this.organizationData.saveData(baseFolder);<a name="line.171"></a>
<FONT color="green">172</FONT>    <a name="line.172"></a>
<FONT color="green">173</FONT>        exportGraphData();<a name="line.173"></a>
<FONT color="green">174</FONT>      }<a name="line.174"></a>
<FONT color="green">175</FONT>    <a name="line.175"></a>
<FONT color="green">176</FONT>      /**<a name="line.176"></a>
<FONT color="green">177</FONT>       * Writes a socialnet.xml file that contains GraphML data regarding the<a name="line.177"></a>
<FONT color="green">178</FONT>       * organizations in the data files, as well as collaborations between them. <a name="line.178"></a>
<FONT color="green">179</FONT>       */<a name="line.179"></a>
<FONT color="green">180</FONT>      private void exportGraphData() {<a name="line.180"></a>
<FONT color="green">181</FONT>          FileWriter foo;<a name="line.181"></a>
<FONT color="green">182</FONT>          try {<a name="line.182"></a>
<FONT color="green">183</FONT>            foo = new FileWriter(baseFolder + "/socialnet.xml");<a name="line.183"></a>
<FONT color="green">184</FONT>            BufferedWriter bar = new BufferedWriter(foo);<a name="line.184"></a>
<FONT color="green">185</FONT>    <a name="line.185"></a>
<FONT color="green">186</FONT>            bar.write("&lt;?xml version=\"1.0\" encoding=\"UTF-8\"?&gt;");<a name="line.186"></a>
<FONT color="green">187</FONT>            bar.newLine();<a name="line.187"></a>
<FONT color="green">188</FONT>            bar.write("&lt;!--  An excerpt of an egocentric social network  --&gt;");<a name="line.188"></a>
<FONT color="green">189</FONT>            bar.newLine();<a name="line.189"></a>
<FONT color="green">190</FONT>            bar.write("&lt;graphml xmlns=\"http://graphml.graphdrawing.org/xmlns\"&gt;");<a name="line.190"></a>
<FONT color="green">191</FONT>            bar.newLine();<a name="line.191"></a>
<FONT color="green">192</FONT>            bar.write("&lt;graph edgedefault=\"undirected\"&gt;");<a name="line.192"></a>
<FONT color="green">193</FONT>            bar.newLine();<a name="line.193"></a>
<FONT color="green">194</FONT>    <a name="line.194"></a>
<FONT color="green">195</FONT>            bar.write("&lt;!-- data schema --&gt;");<a name="line.195"></a>
<FONT color="green">196</FONT>            bar.newLine();<a name="line.196"></a>
<FONT color="green">197</FONT>            bar.write("&lt;key id=\"name\" for=\"node\" attr.name=\"name\" attr.type=\"string\"/&gt;");<a name="line.197"></a>
<FONT color="green">198</FONT>            bar.newLine();<a name="line.198"></a>
<FONT color="green">199</FONT>    <a name="line.199"></a>
<FONT color="green">200</FONT>            for (Organization r : this.organizationData.getOrganizations().getOrganization()) {<a name="line.200"></a>
<FONT color="green">201</FONT>              String data = r.getName().replace("&amp;", " and ").replace("  ", " ");<a name="line.201"></a>
<FONT color="green">202</FONT>    <a name="line.202"></a>
<FONT color="green">203</FONT>              bar.write("&lt;node id=\"" + data + "\"&gt;");<a name="line.203"></a>
<FONT color="green">204</FONT>              bar.newLine();<a name="line.204"></a>
<FONT color="green">205</FONT>              bar.write("&lt;data key=\"name\"&gt;" + data + "&lt;/data&gt;");<a name="line.205"></a>
<FONT color="green">206</FONT>              bar.newLine();<a name="line.206"></a>
<FONT color="green">207</FONT>              bar.write("&lt;/node&gt;");<a name="line.207"></a>
<FONT color="green">208</FONT>              bar.newLine();<a name="line.208"></a>
<FONT color="green">209</FONT>            }<a name="line.209"></a>
<FONT color="green">210</FONT>    <a name="line.210"></a>
<FONT color="green">211</FONT>            for (Collaboration c : this.collaborationData.getCollaborations().getCollaboration()) {<a name="line.211"></a>
<FONT color="green">212</FONT>              List&lt;String&gt; list = c.getCollaboratingOrganizations().getCollaboratingOrganization();<a name="line.212"></a>
<FONT color="green">213</FONT>              <a name="line.213"></a>
<FONT color="green">214</FONT>              if (list.size() &gt;= 2) {<a name="line.214"></a>
<FONT color="green">215</FONT>                bar.write("&lt;edge source=\"" <a name="line.215"></a>
<FONT color="green">216</FONT>                    + list.get(0).replace("&amp;", " and ").replace("  ", " ")<a name="line.216"></a>
<FONT color="green">217</FONT>                    + "\" target=\"" <a name="line.217"></a>
<FONT color="green">218</FONT>                    + list.get(1).replace("&amp;", " and").replace("  ", " ")<a name="line.218"></a>
<FONT color="green">219</FONT>                    + "\"&gt;&lt;/edge&gt;");<a name="line.219"></a>
<FONT color="green">220</FONT>                bar.newLine();<a name="line.220"></a>
<FONT color="green">221</FONT>              }<a name="line.221"></a>
<FONT color="green">222</FONT>            }<a name="line.222"></a>
<FONT color="green">223</FONT>    <a name="line.223"></a>
<FONT color="green">224</FONT>            bar.write("&lt;/graph&gt;&lt;/graphml&gt;");<a name="line.224"></a>
<FONT color="green">225</FONT>            <a name="line.225"></a>
<FONT color="green">226</FONT>            bar.flush();<a name="line.226"></a>
<FONT color="green">227</FONT>            bar.close();<a name="line.227"></a>
<FONT color="green">228</FONT>          }<a name="line.228"></a>
<FONT color="green">229</FONT>          catch (IOException e) {<a name="line.229"></a>
<FONT color="green">230</FONT>            e.printStackTrace();<a name="line.230"></a>
<FONT color="green">231</FONT>          }<a name="line.231"></a>
<FONT color="green">232</FONT>      }<a name="line.232"></a>
<FONT color="green">233</FONT>      /**<a name="line.233"></a>
<FONT color="green">234</FONT>       * Converts a string in an (array).toString() form to a list of String objects.<a name="line.234"></a>
<FONT color="green">235</FONT>       * <a name="line.235"></a>
<FONT color="green">236</FONT>       * @param val String to be converted<a name="line.236"></a>
<FONT color="green">237</FONT>       * @return List of strings.<a name="line.237"></a>
<FONT color="green">238</FONT>       */<a name="line.238"></a>
<FONT color="green">239</FONT>      public static List&lt;String&gt; stringToArray(String val) {<a name="line.239"></a>
<FONT color="green">240</FONT>        List&lt;String&gt; result = new ArrayList&lt;String&gt;();<a name="line.240"></a>
<FONT color="green">241</FONT>        if (val.trim().isEmpty()) {<a name="line.241"></a>
<FONT color="green">242</FONT>          return result;<a name="line.242"></a>
<FONT color="green">243</FONT>        }<a name="line.243"></a>
<FONT color="green">244</FONT>    <a name="line.244"></a>
<FONT color="green">245</FONT>        String[] tmp = val.split(",");<a name="line.245"></a>
<FONT color="green">246</FONT>        if (tmp == null) {<a name="line.246"></a>
<FONT color="green">247</FONT>          result.add(val);<a name="line.247"></a>
<FONT color="green">248</FONT>          return result;<a name="line.248"></a>
<FONT color="green">249</FONT>        }<a name="line.249"></a>
<FONT color="green">250</FONT>    <a name="line.250"></a>
<FONT color="green">251</FONT>        if (tmp[0].charAt(0) == '[') {<a name="line.251"></a>
<FONT color="green">252</FONT>          tmp[0] = tmp[0].substring(1);<a name="line.252"></a>
<FONT color="green">253</FONT>        }<a name="line.253"></a>
<FONT color="green">254</FONT>        if (tmp[tmp.length - 1].charAt(tmp[tmp.length - 1].length() - 1) == ']') {<a name="line.254"></a>
<FONT color="green">255</FONT>          tmp[tmp.length - 1] = tmp[tmp.length - 1].substring(0, tmp[tmp.length - 1].length() - 1);<a name="line.255"></a>
<FONT color="green">256</FONT>        }<a name="line.256"></a>
<FONT color="green">257</FONT>    <a name="line.257"></a>
<FONT color="green">258</FONT>        for (String item : tmp) {<a name="line.258"></a>
<FONT color="green">259</FONT>          result.add(item.trim());<a name="line.259"></a>
<FONT color="green">260</FONT>        }<a name="line.260"></a>
<FONT color="green">261</FONT>    <a name="line.261"></a>
<FONT color="green">262</FONT>        return result;<a name="line.262"></a>
<FONT color="green">263</FONT>      }<a name="line.263"></a>
<FONT color="green">264</FONT>    <a name="line.264"></a>
<FONT color="green">265</FONT>      /**<a name="line.265"></a>
<FONT color="green">266</FONT>       * Edits or adds an entry of the given type to the corresponding arrayList. <a name="line.266"></a>
<FONT color="green">267</FONT>       * @param newRow New entry to be added or edited.<a name="line.267"></a>
<FONT color="green">268</FONT>       * @param pageType Either R, C, or O, depending on type of row.<a name="line.268"></a>
<FONT color="green">269</FONT>       * @param add true if new entry to be added, false if edit.<a name="line.269"></a>
<FONT color="green">270</FONT>       * @return String containing error message, if any.<a name="line.270"></a>
<FONT color="green">271</FONT>       */<a name="line.271"></a>
<FONT color="green">272</FONT>      public String addEntry(List&lt;String&gt; newRow, char pageType, boolean add) {<a name="line.272"></a>
<FONT color="green">273</FONT>        String errorMessage = "";<a name="line.273"></a>
<FONT color="green">274</FONT>        switch (pageType) {<a name="line.274"></a>
<FONT color="green">275</FONT>        case 'R':<a name="line.275"></a>
<FONT color="green">276</FONT>          errorMessage = this.researcherData.updateData(newRow, add);<a name="line.276"></a>
<FONT color="green">277</FONT>          break;<a name="line.277"></a>
<FONT color="green">278</FONT>        case 'C':<a name="line.278"></a>
<FONT color="green">279</FONT>          errorMessage = this.collaborationData.updateData(newRow, add);<a name="line.279"></a>
<FONT color="green">280</FONT>          break;<a name="line.280"></a>
<FONT color="green">281</FONT>        case 'O':<a name="line.281"></a>
<FONT color="green">282</FONT>          errorMessage = this.organizationData.updateData(newRow, add);<a name="line.282"></a>
<FONT color="green">283</FONT>          break;<a name="line.283"></a>
<FONT color="green">284</FONT>        default:<a name="line.284"></a>
<FONT color="green">285</FONT>          return "Invalid pageType.";<a name="line.285"></a>
<FONT color="green">286</FONT>        }<a name="line.286"></a>
<FONT color="green">287</FONT>    <a name="line.287"></a>
<FONT color="green">288</FONT>        if (errorMessage.length() == 0) {<a name="line.288"></a>
<FONT color="green">289</FONT>          this.saveData();<a name="line.289"></a>
<FONT color="green">290</FONT>        }<a name="line.290"></a>
<FONT color="green">291</FONT>    <a name="line.291"></a>
<FONT color="green">292</FONT>        return errorMessage;<a name="line.292"></a>
<FONT color="green">293</FONT>    <a name="line.293"></a>
<FONT color="green">294</FONT>      }<a name="line.294"></a>
<FONT color="green">295</FONT>    <a name="line.295"></a>
<FONT color="green">296</FONT>      /**<a name="line.296"></a>
<FONT color="green">297</FONT>       * Converts null strings to empty strings.<a name="line.297"></a>
<FONT color="green">298</FONT>       * @param test the string to be converted if null.<a name="line.298"></a>
<FONT color="green">299</FONT>       * @return The same string, but is now empty if it was null.<a name="line.299"></a>
<FONT color="green">300</FONT>       */<a name="line.300"></a>
<FONT color="green">301</FONT>      public static String nullToEmpty(String test) {<a name="line.301"></a>
<FONT color="green">302</FONT>        String temp = test;<a name="line.302"></a>
<FONT color="green">303</FONT>        if (temp == null || temp == "") {<a name="line.303"></a>
<FONT color="green">304</FONT>          temp = " ";<a name="line.304"></a>
<FONT color="green">305</FONT>        }<a name="line.305"></a>
<FONT color="green">306</FONT>        temp = temp.replace('[', ' ');<a name="line.306"></a>
<FONT color="green">307</FONT>        temp = temp.replace(']', ' ');<a name="line.307"></a>
<FONT color="green">308</FONT>    <a name="line.308"></a>
<FONT color="green">309</FONT>        /*<a name="line.309"></a>
<FONT color="green">310</FONT>        if (temp.charAt(0) == '[') {<a name="line.310"></a>
<FONT color="green">311</FONT>          temp = temp.replace('[', ' ');<a name="line.311"></a>
<FONT color="green">312</FONT>        if (temp.length() &gt; 1) {<a name="line.312"></a>
<FONT color="green">313</FONT>    <a name="line.313"></a>
<FONT color="green">314</FONT>          if (temp.charAt(temp.length()-1) == ']') {<a name="line.314"></a>
<FONT color="green">315</FONT>            temp = temp.substring(0, temp.length()-1);<a name="line.315"></a>
<FONT color="green">316</FONT>          }<a name="line.316"></a>
<FONT color="green">317</FONT>        }<a name="line.317"></a>
<FONT color="green">318</FONT>         */<a name="line.318"></a>
<FONT color="green">319</FONT>        if (temp == "") {<a name="line.319"></a>
<FONT color="green">320</FONT>          temp = " ";<a name="line.320"></a>
<FONT color="green">321</FONT>        }<a name="line.321"></a>
<FONT color="green">322</FONT>    <a name="line.322"></a>
<FONT color="green">323</FONT>        return temp;<a name="line.323"></a>
<FONT color="green">324</FONT>      }<a name="line.324"></a>
<FONT color="green">325</FONT>    <a name="line.325"></a>
<FONT color="green">326</FONT>    }<a name="line.326"></a>




























































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